SMTL ID : 5sxu.1 (1 other biounit)

X-ray structure of 2-bromoethanol bound to a pentameric ligand gated ion channel (ELIC) in a desensitized state

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.10 Å

Oligo State

homo-pentamer

Ligands

16 x BRJ: 2-BROMOETHANOL(Non-covalent)

BRJ.1: 5 residues within 4Å: Chain A: P.74, A.75, L.76, Y.102 Ligands: BRJ.2 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:P.74 BRJ.2: 5 residues within 4Å: Chain A: F.78, P.85, T.87, Y.102 Ligands: BRJ.1 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.102, A:Y.102 BRJ.3: 7 residues within 4Å: Chain A: I.20, N.21, I.23, T.149, E.150, I.152, I.162 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:E.150 BRJ.4: 4 residues within 4Å: Chain A: T.237 Chain B: T.237 Chain D: T.237 Chain E: T.237 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:T.237 BRJ.7: 8 residues within 4Å: Chain B: A.41, W.43, V.73, P.74, A.75, L.76, Y.102 Ligands: BRJ.8 No protein-ligand interaction detected (PLIP) BRJ.8: 6 residues within 4Å: Chain B: L.76, F.78, P.85, T.87, F.106 Ligands: BRJ.7 No protein-ligand interaction detected (PLIP) BRJ.9: 4 residues within 4Å: Chain B: I.20, N.21, K.22, I.23 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:I.23 BRJ.12: 6 residues within 4Å: Chain C: A.41, V.73, P.74, A.75, L.76, Y.102 No protein-ligand interaction detected (PLIP) BRJ.13: 6 residues within 4Å: Chain C: L.76, F.78, P.85, T.87, Y.102, F.106 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:Y.102, C:Y.102 BRJ.14: 2 residues within 4Å: Chain C: N.21, I.162 No protein-ligand interaction detected (PLIP) BRJ.18: 7 residues within 4Å: Chain D: I.39, A.41, P.74, A.75, L.76, Y.102 Ligands: BRJ.19 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:P.74 BRJ.19: 5 residues within 4Å: Chain D: L.76, F.78, T.87, F.106 Ligands: BRJ.18 No protein-ligand interaction detected (PLIP) BRJ.20: 8 residues within 4Å: Chain D: I.20, N.21, K.22, I.23, T.149, E.150, I.162, I.195 1 PLIP interactions: 1 interactions with chain D Hydrogen bonds: D:N.21 BRJ.24: 6 residues within 4Å: Chain E: A.41, P.74, A.75, L.76, Y.102 Ligands: BRJ.25 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:P.74 BRJ.25: 5 residues within 4Å: Chain E: F.78, T.87, Y.102, F.106 Ligands: BRJ.24 2 PLIP interactions: 2 interactions with chain E Hydrogen bonds: E:Y.102, E:Y.102 BRJ.26: 4 residues within 4Å: Chain E: I.20, N.21, K.22, I.23 2 PLIP interactions: 2 interactions with chain E Hydrogen bonds: E:I.23, E:I.23

5 x 3CN: 3-AMINOPROPANE(Non-covalent)

3CN.5: 3 residues within 4Å: Chain A: F.19, Y.38, N.103 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:Y.38 3CN.10: 4 residues within 4Å: Chain B: F.19, Y.38, N.103 Chain C: Y.175 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:Y.38, B:Y.38 3CN.15: 4 residues within 4Å: Chain C: F.19, Y.38, N.103 Chain D: Y.175 2 PLIP interactions: 2 interactions with chain C Hydrophobic interactions: C:F.19, C:Y.38 3CN.21: 4 residues within 4Å: Chain D: F.19, V.40, N.103 Chain E: Y.175 2 PLIP interactions: 2 interactions with chain D Hydrophobic interactions: D:F.19, D:V.40 3CN.23: 3 residues within 4Å: Chain E: F.19, Y.38, N.103 2 PLIP interactions: 2 interactions with chain E Hydrophobic interactions: E:F.19, E:Y.38

5 x MES: 2-(N-MORPHOLINO)-ETHANESULFONIC ACID(Non-covalent)

MES.6: 3 residues within 4Å: Chain A: W.206 Chain B: T.259, Q.264 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:T.259, B:T.259, B:Q.264 MES.11: 4 residues within 4Å: Chain B: S.202, W.206 Chain C: T.259, Q.264 3 PLIP interactions: 2 interactions with chain C, 1 interactions with chain B Hydrogen bonds: C:T.259, C:Q.264, B:W.206 MES.16: 3 residues within 4Å: Chain C: W.206 Chain D: T.259, Q.264 2 PLIP interactions: 1 interactions with chain D, 1 interactions with chain C Hydrogen bonds: D:T.259, C:W.206 MES.22: 4 residues within 4Å: Chain D: S.202, W.206 Chain E: T.259, Q.264 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:T.259 MES.27: 4 residues within 4Å: Chain A: T.259, Q.264 Chain E: E.156, W.206 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain E Hydrogen bonds: A:T.259, A:Q.264 Salt bridges: E:E.156

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.17: 1 residues within 4Å: Chain C: H.177 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chen, Q. et al., Structural Basis of Alcohol Inhibition of the Pentameric Ligand-Gated Ion Channel ELIC. Structure (2017)

Release Date

2017-06-21

Peptides

Gamma-aminobutyric-acid receptor subunit beta-1: ABCDE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

E
E

Membrane

We predict this structure to be a membrane protein.
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Gamma-aminobutyric-acid receptor subunit beta-1

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